Majid Laassri

Summary

Affiliation: Food and Drug Administration
Country: USA

Publications

  1. doi request reprint Quantitative one-step RT-PCR assay for rapid and sensitive identification and titration of polioviruses in clinical specimens
    Majid Laassri
    Center for Biologics Evaluation and Research, US Food and Drug Administration, 1401 Rockville Pike, HFM 470, Rockville, MD 20852 1448, USA
    J Virol Methods 189:7-14. 2013
  2. ncbi request reprint Microarray assay for evaluation of the genetic stability of modified vaccinia virus Ankara B5R gene
    Majid Laassri
    Center for Biologics Evaluation and Research, US Food and Drug Administration, 1401 Rockville Pike, HFM 470, Rockville, Maryland 20852, USA
    J Med Virol 79:791-802. 2007
  3. ncbi request reprint Analysis of reversions in the 5'-untranslated region of attenuated poliovirus after sequential administration of inactivated and oral poliovirus vaccines
    Majid Laassri
    Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Maryland 20852, USA
    J Infect Dis 193:1344-9. 2006
  4. ncbi request reprint Effect of different vaccination schedules on excretion of oral poliovirus vaccine strains
    Majid Laassri
    Center for Biologics Evaluation and Research, Food and Drug Administration, Baltimore, Maryland, USA
    J Infect Dis 192:2092-8. 2005
  5. pmc Microarray hybridization for assessment of the genetic stability of chimeric West Nile/dengue 4 virus
    Majid Laassri
    Laboratory of Method Development, Center for Biologics Evaluation and Research, US Food and Drug Administration, Rockville, Maryland 20852 1448, USA
    J Med Virol 83:910-20. 2011
  6. pmc Genomic analysis of vaccine-derived poliovirus strains in stool specimens by combination of full-length PCR and oligonucleotide microarray hybridization
    Majid Laassri
    Center for Biologics Evaluation and Research, Food and Drug Administration, 1401 Rockville Pike, HFM 470, Rockville, MD 20852, USA
    J Clin Microbiol 43:2886-94. 2005
  7. doi request reprint MAPREC assay for quantitation of mutants in a recombinant flavivirus vaccine strain using near-infrared fluorescent dyes
    Bella Bidzhieva
    Center for Biologics Evaluation and Research, Food and Drug Administration, 1401 Rockville Pike, Rockville, MD 20852, USA
    J Virol Methods 175:14-9. 2011
  8. doi request reprint Microarray-based assay for the detection of genetic variations of structural genes of West Nile virus
    Andriyan Grinev
    Laboratory of Molecular Virology, Division of Emerging and Transfusion Transmitted Diseases, Rockville, MD 20852, USA
    J Virol Methods 154:27-40. 2008
  9. ncbi request reprint Detection and discrimination of orthopoxviruses using microarrays of immobilized oligonucleotides
    Majid Laassri
    Laboratory of Method Development, Center for Biologics Evaluation and Research, Food and Drug Administration, 1401 Rockville Pike, HFM 470, Rockville, MD 20852, USA
    J Virol Methods 112:67-78. 2003
  10. ncbi request reprint Recovery of strains of the polyomavirus SV40 from rhesus monkey kidney cells dating from the 1950s to the early 1960s
    Keith Peden
    Laboratory of Retrovirus Research, Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, MD 20892, USA
    Virology 370:63-76. 2008

Collaborators

Detail Information

Publications12

  1. doi request reprint Quantitative one-step RT-PCR assay for rapid and sensitive identification and titration of polioviruses in clinical specimens
    Majid Laassri
    Center for Biologics Evaluation and Research, US Food and Drug Administration, 1401 Rockville Pike, HFM 470, Rockville, MD 20852 1448, USA
    J Virol Methods 189:7-14. 2013
    ..The multiplex assay that quantifies all three serotypes of poliovirus was found to be highly specific, sensitive, and takes only one day to complete...
  2. ncbi request reprint Microarray assay for evaluation of the genetic stability of modified vaccinia virus Ankara B5R gene
    Majid Laassri
    Center for Biologics Evaluation and Research, US Food and Drug Administration, 1401 Rockville Pike, HFM 470, Rockville, Maryland 20852, USA
    J Med Virol 79:791-802. 2007
    ..Potentially, the proposed method could be used as an identity test and could be extended for the entire viral genome and used to monitor consistency of vaccine production...
  3. ncbi request reprint Analysis of reversions in the 5'-untranslated region of attenuated poliovirus after sequential administration of inactivated and oral poliovirus vaccines
    Majid Laassri
    Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Maryland 20852, USA
    J Infect Dis 193:1344-9. 2006
    ..Polioviruses of Sabin types 2 and 3 reverted more easily than those of type 1. Prior vaccination with IPV did not increase the proportion of revertants after OPV administration...
  4. ncbi request reprint Effect of different vaccination schedules on excretion of oral poliovirus vaccine strains
    Majid Laassri
    Center for Biologics Evaluation and Research, Food and Drug Administration, Baltimore, Maryland, USA
    J Infect Dis 192:2092-8. 2005
    ..This suggests that IPV-vaccinated communities are partially protected from the spread of poliovirus. Further enhancement of IPV potency may lead to even higher levels of mucosal immunity...
  5. pmc Microarray hybridization for assessment of the genetic stability of chimeric West Nile/dengue 4 virus
    Majid Laassri
    Laboratory of Method Development, Center for Biologics Evaluation and Research, US Food and Drug Administration, Rockville, Maryland 20852 1448, USA
    J Med Virol 83:910-20. 2011
    ..The approach described in this article could be useful for monitoring the molecular consistency and quality control of vaccine strains...
  6. pmc Genomic analysis of vaccine-derived poliovirus strains in stool specimens by combination of full-length PCR and oligonucleotide microarray hybridization
    Majid Laassri
    Center for Biologics Evaluation and Research, Food and Drug Administration, 1401 Rockville Pike, HFM 470, Rockville, MD 20852, USA
    J Clin Microbiol 43:2886-94. 2005
    ..The amplified full-length viral cDNA can be archived and used to recover live virus for further virological studies...
  7. doi request reprint MAPREC assay for quantitation of mutants in a recombinant flavivirus vaccine strain using near-infrared fluorescent dyes
    Bella Bidzhieva
    Center for Biologics Evaluation and Research, Food and Drug Administration, 1401 Rockville Pike, Rockville, MD 20852, USA
    J Virol Methods 175:14-9. 2011
    ..The modified MAPREC assay could be used as an alternative to the radioisotope-based standard protocol for quality control of live viral vaccines...
  8. doi request reprint Microarray-based assay for the detection of genetic variations of structural genes of West Nile virus
    Andriyan Grinev
    Laboratory of Molecular Virology, Division of Emerging and Transfusion Transmitted Diseases, Rockville, MD 20852, USA
    J Virol Methods 154:27-40. 2008
    ....
  9. ncbi request reprint Detection and discrimination of orthopoxviruses using microarrays of immobilized oligonucleotides
    Majid Laassri
    Laboratory of Method Development, Center for Biologics Evaluation and Research, Food and Drug Administration, 1401 Rockville Pike, HFM 470, Rockville, MD 20852, USA
    J Virol Methods 112:67-78. 2003
    ..The oligonucleotide microarray hybridization technique identified reliably and correctly all samples. This new procedure takes only 3 h, and it can be used for parallel testing of multiple samples...
  10. ncbi request reprint Recovery of strains of the polyomavirus SV40 from rhesus monkey kidney cells dating from the 1950s to the early 1960s
    Keith Peden
    Laboratory of Retrovirus Research, Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, MD 20892, USA
    Virology 370:63-76. 2008
    ..These results, and those of others, suggest that a limited number of SV40 strains might exist in rhesus macaques in the United States, and thus determining the origin of the SV40 sequences detected in human tumors might be difficult...
  11. pmc Microarray analysis of evolution of RNA viruses: evidence of circulation of virulent highly divergent vaccine-derived polioviruses
    Elena Cherkasova
    Center for Biologics Evaluation and Research, Food and Drug Administration, 1401 Rockville Pike, HFM 470, Rockville, MD 20852, USA
    Proc Natl Acad Sci U S A 100:9398-403. 2003
    ..The proposed methods for fine genotyping of heterogeneous viral populations can also have utility for a variety of other applications in studies of genetic changes in viruses, bacteria, and genes of higher organisms...
  12. ncbi request reprint Microarray assay for detection and discrimination of Orthopoxvirus species
    Vladimir A Ryabinin
    State Research Center of Virology and Biotechnology Vector, Novosibirsk Region, Kol tsovo, Russia
    J Med Virol 78:1325-40. 2006
    ..The results obtained in this study demonstrated that this new microarray method is a valuable tool for the rapid and accurate detection and differentiation of these important viral pathogens...